Question

SOUMOK PLEASE ANSWER THIS QUESTION. I WANT SOLUTION. ​

Answer 1

the surface area of the tin required to make the funnel

=>CSA of frustum+CSA of cylinder

=>{πl(r+R)}+{2πrh}

=>{22/7×13(4+9)}+{2×22/7×4×10}

=>22/7×13×13 + 2×22/7×40

=>(531.14)+(251.42)

=>783cm^2//

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hope it helps....

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